Home / 39,712.73-54,803.74-22,717.16

Finding the Fourth Proportional to 39,712.73, 54,803.74 and 22,717.16

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Solution

The fourth proportional to 39,712.73, 54,803.74 and 22,717.16 is: 31,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712.73 : 54,803.74 = 22,717.16 : x
  2. Step 2: Convert to fraction form
    39,712.73/54,803.74 = 22,717.16/x
  3. Step 3: Cross multiply
    39,712.73x = 54,803.74 × 22,717.16
  4. Step 4: Simplify right side
    39,712.73x = 1,244,985,247.48
  5. Step 5: Solve for x
    x = 1,244,985,247.48/39,712.73
  6. Step 6: Final answer
    x = 31,349.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.